we're working on more difficult challenges using cutting edge technologies. >> reporter: the machine's developers have big dreams. they want to be provide handmade products to consumers around the world. >>> for the people who run japan's amusement arcade life is fast from fun and games. some operators are adapting by targeting the older player. >> more than half the people who visit this arcade on weekdays are age 60 or over. this couple is in their 70s. >> it's no fun staying alone at home. that's why i come here. >> translator: i haven't joined any senior citizen groups. it's more comfortable and less stressful here. >> reporter: we're in a shopping mall in a suburb of inazawa city. there is not a lot to do here as far as shops and entertainment goes. the mall is about the only game in town. the number of elderly customers is up by one-fifth from 14 years ago when the mall opened. so as the young and family clientele shrunk, the owner shifted his target to the elderly. he makes an effort to help the customers stay fit so they'll enjoy the games more. a daily exercise routine started